A Galaxy-studded Universe This rich tapestry of galaxies represents the deepest portrait of the visible universe. Called the Hubble Ultra Deep Field (HUDF), the image contains as many as 10,000 galaxies of all shapes, sizes, colors, and ages.

EDWIN POWELL HUBBLE November 20,1889-September 28,1953 BY N. U. MAYALL E DWIN HUBBLE, by his inspired use of the largest telescope of his time, the 100-inch reflector of the Mount Wilson Observatory, revolutionized our knowledge of the size, structure, and properties of the universe.